MC145026 Datasheet, PDF (11/20 Pages) Freescale Semiconductor, Inc – Encoder and Decoder Pairs CMOS

ENCODER
OSCILLATOR
(PIN 12)
Dout
(PIN 15)
ENCODED
“ONE”
ENCODED
“ZERO”
ENCODED
“OPEN”
DATA PERIOD
Figure 11. Encoder Data Waveforms
500
400
VDD = 15 V
VDD = 10 V
300
200
VDD = 5 V
100
10
20
30
40
50
Clayout (pF) ON PINS 1 – 5 (MC145027); PINS 1 – 5 AND 12 – 15 (MC145028)
Figure 12. fmax vs Clayout — Decoders Only
MOTOROLA
MC145026•MC145027•MC145028•SC41343•SC41344
11